/* ==========================================================================
   Justified Posteriors - Podcast Website Styles
   Theme inspired by Empiricrafting Substack
   ========================================================================== */

/* --------------------------------------------------------------------------
   Custom Fonts - Spectral (matches Substack aesthetic)
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Primary palette - sage green with burnt sienna accents */
  --color-bg: #eaf1e8;
  --color-bg-secondary: #dce3da;
  --color-bg-tertiary: #cad0c9;
  --color-ink: #1a1a1a;
  --color-ink-secondary: #4a4a4a;
  --color-ink-muted: #6b6b6b;
  --color-accent: #7e2310;
  --color-accent-hover: #5c1a0c;
  --color-border: #c4ccc2;
  --color-white: #ffffff;

  /* Typography */
  --font-serif: 'Spectral', Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  /* Layout */
  --max-width: 680px;
  --max-width-wide: 900px;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-ink);
}

h1 {
  font-size: 2.4rem;
  font-weight: 700;
}

h2 {
  font-size: 1.6rem;
  font-weight: 600;
}

h3 {
  font-size: 1.3rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.wrap--wide {
  max-width: var(--max-width-wide);
}

/* --------------------------------------------------------------------------
   Site Header
   -------------------------------------------------------------------------- */
.site-header {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.site-logo {
  width: 50px;
  height: 50px;
  border-radius: 4px;
  object-fit: cover;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-ink);
  text-decoration: none;
  line-height: 1.2;
}

.site-title:hover {
  color: var(--color-accent);
}

.site-tagline {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  font-weight: 400;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--color-ink-secondary);
  text-decoration: none;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--color-accent);
}

.btn-subscribe {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
  background: #2d4a3e;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s ease;
}

.btn-subscribe:hover {
  background: #1f342c;
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Main Content
   -------------------------------------------------------------------------- */
.site-main {
  flex: 1;
  padding: var(--space-xl) 0;
}

/* --------------------------------------------------------------------------
   Hero Section (Home Page)
   -------------------------------------------------------------------------- */
.hero {
  text-align: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
}

.hero__logo {
  width: 100px;
  height: 100px;
  border-radius: 8px;
  margin-bottom: var(--space-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero__title {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--color-ink);
}

.hero__subtitle {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-ink-secondary);
  max-width: 500px;
  margin: 0 auto 0.5rem;
  line-height: 1.4;
}

.hero__authors {
  font-size: 0.9rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-md);
}

/* --------------------------------------------------------------------------
   Platform Links
   -------------------------------------------------------------------------- */
.platforms {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: var(--space-sm);
}

.platform-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: #e8e8e8;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.platform-link:hover {
  color: var(--color-ink);
  background: #d8d8d8;
  transform: translateY(-1px);
}

.platform-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Platform-specific icon colors */
.platform-link--apple svg {
  color: #8e44ad;
}

.platform-link--spotify svg {
  color: #1db954;
}

.platform-link--youtube svg {
  color: #ff0000;
}

.platform-link--overcast svg {
  color: #fc7e0f;
}

.platform-link--rss svg {
  color: #f26522;
}

.platform-link--substack {
  background: var(--color-accent);
  color: var(--color-white);
}

.platform-link--substack:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Secondary Links
   -------------------------------------------------------------------------- */
.secondary-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  padding-top: var(--space-sm);
}

.secondary-link {
  font-size: 0.9rem;
  color: var(--color-ink-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
}

.secondary-link svg {
  width: 16px;
  height: 16px;
}

.secondary-link:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Description Section
   -------------------------------------------------------------------------- */
.description {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-lg) 0 var(--space-xl);
}

.description__text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-ink-secondary);
}

/* --------------------------------------------------------------------------
   Episodes List
   -------------------------------------------------------------------------- */
.episodes {
  padding: var(--space-lg) 0;
}

.episodes__title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.episode-card {
  display: block;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition: background 0.2s ease;
}

.episode-card:first-of-type {
  border-top: none;
}

.episode-card:hover {
  background: var(--color-bg-secondary);
  margin: 0 calc(-1 * var(--space-sm));
  padding-left: var(--space-sm);
  padding-right: var(--space-sm);
}

.episode-card__number {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-muted);
  margin-bottom: 0.25rem;
}

.episode-card__title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.episode-card:hover .episode-card__title {
  color: var(--color-accent);
}

.episode-card__meta {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
}

.episode-card__summary {
  font-size: 0.95rem;
  color: var(--color-ink-secondary);
  margin-top: var(--space-xs);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding: var(--space-xl) 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-col {
  flex: 1;
  min-width: 200px;
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-ink);
}

.footer-text {
  font-size: 0.9rem;
  color: var(--color-ink-muted);
  line-height: 1.6;
  max-width: 300px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: right;
}

.footer-links a {
  color: var(--color-ink-secondary);
  font-size: 0.9rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-meta {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   Post/Episode Pages
   -------------------------------------------------------------------------- */
.episode {
  max-width: var(--max-width);
  margin: 0 auto;
}

.episode-header {
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.episode-kicker {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.episode-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.episode-summary {
  font-size: 1.15rem;
  color: var(--color-ink-secondary);
  line-height: 1.6;
  font-style: italic;
}

/* Audio Player */
.player {
  background: var(--color-bg-secondary);
  padding: var(--space-md);
  border-radius: 6px;
  margin-top: var(--space-lg);
}

.player audio {
  width: 100%;
  margin-bottom: var(--space-sm);
}

.player-links {
  font-size: 0.85rem;
}

.player-links .muted {
  color: var(--color-ink-muted);
}

/* Prose Content */
.prose {
  font-size: 1.05rem;
  line-height: 1.75;
}

.prose h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.prose h3 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.prose p {
  margin-bottom: var(--space-md);
}

.prose ul, .prose ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-md);
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
  font-style: italic;
  color: var(--color-ink-secondary);
}

.prose code {
  background: var(--color-bg-secondary);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
}

.prose pre {
  background: var(--color-bg-secondary);
  padding: var(--space-md);
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: var(--space-md);
}

.prose pre code {
  background: none;
  padding: 0;
}

/* Episode Navigation */
.sep {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-xl) 0;
}

.episode-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
}

.nav-item {
  flex: 1;
}

.nav-item-right {
  text-align: right;
}

.nav-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-muted);
  margin-bottom: 0.25rem;
}

.nav-item a {
  font-weight: 600;
  color: var(--color-ink);
}

.nav-item a:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Static Pages
   -------------------------------------------------------------------------- */
.page-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 2rem;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  html {
    font-size: 16px;
  }

  .site-header .wrap {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .brand {
    flex-direction: column;
    text-align: center;
  }

  .site-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero__title {
    font-size: 2rem;
  }

  .platforms {
    flex-direction: column;
    align-items: stretch;
  }

  .platform-link {
    justify-content: center;
  }

  .secondary-links {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
  }

  .footer-row {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    text-align: center;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .episode-nav {
    flex-direction: column;
  }

  .nav-item-right {
    text-align: left;
  }
}

/* --------------------------------------------------------------------------
   Beliefs Page
   -------------------------------------------------------------------------- */
.page-subtitle {
  font-size: 1.1rem;
  color: var(--color-ink-secondary);
  margin-top: var(--space-xs);
}

.beliefs-intro {
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}

.beliefs-intro p {
  font-size: 1.05rem;
  color: var(--color-ink-secondary);
  line-height: 1.7;
}

.beliefs-list {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.belief-card {
  background: var(--color-white);
  border-radius: 8px;
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.belief-card__header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.belief-card__title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
}

.belief-card__paper {
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  font-style: italic;
  margin: 0;
}

/* Belief Table */
.belief-table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--space-md);
}

.belief-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.belief-table th,
.belief-table td {
  padding: var(--space-sm);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
}

.belief-table thead th {
  font-weight: 600;
  color: var(--color-ink);
  background: var(--color-bg-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.belief-table__col-label {
  width: 80px;
}

.belief-table__col-host {
  width: calc((100% - 80px) / 2);
}

.belief-label {
  font-weight: 600;
  color: var(--color-ink-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.belief-content {
  color: var(--color-ink);
  line-height: 1.6;
  position: relative;
  border-left: 3px solid transparent;
  padding-left: var(--space-sm) !important;
}

.belief-row--prior .belief-content {
  border-left-color: var(--color-accent);
  background: rgba(126, 35, 16, 0.02);
}

.belief-row--posterior .belief-content {
  border-left-color: #4CAF50;
  background: rgba(76, 175, 80, 0.03);
}

.belief-row--prior td,
.belief-row--posterior td {
  padding: var(--space-sm);
}

/* Belief Insight */
.belief-insight {
  background: var(--color-bg);
  border-radius: 6px;
  padding: var(--space-md);
  margin-top: var(--space-md);
}

.belief-insight__title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-xs);
}

.belief-insight__text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-ink-secondary);
  margin: 0;
}

/* Responsive Beliefs */
@media (max-width: 640px) {
  .belief-card {
    padding: var(--space-md);
  }

  .belief-card__title {
    font-size: 1.2rem;
  }

  .belief-table {
    font-size: 0.85rem;
  }

  .belief-table th,
  .belief-table td {
    padding: var(--space-xs);
  }

  .belief-table__col-label {
    width: 60px;
  }
}

/* --------------------------------------------------------------------------
   Beliefs Section (Index Page - Interactive Collapsible Table)
   -------------------------------------------------------------------------- */
.beliefs-section {
  max-width: var(--max-width-wide);
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}

.beliefs-section__header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.beliefs-section__main-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.beliefs-section__subtitle {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-ink-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.beliefs-section__description {
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  font-style: italic;
  margin: 0;
  line-height: 1.6;
}

/* Search/Filter */
.beliefs-filter {
  margin-bottom: var(--space-lg);
}

.search-container {
  position: relative;
  max-width: 450px;
  margin: 0 auto;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-ink-muted);
  pointer-events: none;
}

.beliefs-search {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-white);
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.beliefs-search:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(126, 35, 16, 0.1);
}

.beliefs-search::placeholder {
  color: var(--color-ink-muted);
  font-style: italic;
  opacity: 0.7;
}

/* Collapsible Rows */
.beliefs-table-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.belief-row {
  background: var(--color-white);
  border-radius: 6px;
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.belief-row:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.belief-row--hidden {
  display: none;
}

.belief-row__header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-serif);
}

.belief-row__title {
  flex: 1.2;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-ink);
}

.belief-row__paper {
  flex: 1;
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: var(--space-md);
}

.belief-row__toggle {
  width: 20px;
  height: 20px;
  color: var(--color-ink-muted);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s ease;
  flex-shrink: 0;
}

.belief-row__toggle svg {
  width: 100%;
  height: 100%;
}

.belief-row__header[aria-expanded="true"] .belief-row__toggle {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.belief-row__header:hover .belief-row__toggle {
  color: var(--color-accent);
}

.belief-row__content {
  padding: 0 1.25rem 1.25rem;
}

.belief-row__content[hidden] {
  display: none;
}

/* No Results Message */
.beliefs-no-results {
  text-align: center;
  color: var(--color-ink-muted);
  padding: var(--space-xl);
  font-style: italic;
}

.beliefs-no-results[hidden] {
  display: none;
}

/* Responsive Index Beliefs */
@media (max-width: 640px) {
  .belief-row__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
    position: relative;
    padding-right: calc(var(--space-md) + 30px);
  }

  .belief-row__paper {
    display: none;
  }

  .belief-row__toggle {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
  }

  .belief-row__header[aria-expanded="true"] .belief-row__toggle {
    transform: translateY(-50%) rotate(45deg);
  }
}